Ball-point pen



FIG. 1 is a front elevational view of a ball-point pen showing my new design with the point extended;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof with the point retracted; and

FIG. 5 is a right side elevational view thereof, the left side being a mirror image thereof. 

The ornamental design for a ball-point pen, as shown and described. 